When Hooker's children come for a visit. his daughter is kidnapped. He learns that she was kidnapped by his former partner who turned bad and was sent to prison. He wants to know where his family is. Hooker's learns they are now in the witness protection program.
When a cop who's a friend of Hooker's is killed by a man he and his partner, Dunston sent to prison. Hooker tries to help his wife but Dunston thinks Hooker is infringing on what should be his responsibility. And when Hooker reexamines the man's arrest, he discovers things that Dunston wanted to stay a secret.
Hooker learns from the Feds that a man he knew in Vietnam who is now an assassin, is going to assassinate some Russians who are in town for some peace conference. He tries to find him. He starts by talking to the man who hired him an extremist who opposes dialogue with the Russians.
When Hooker runs into a cop he was involved with, he wants to talk but she says not now. Later he learns that she was killed. There are rumors that it may have been a hit. And when he talks to her partner, the guy gives Hooker the cold shoulder and Hooker gets a weird feeling off of him.
Hooker and his team become the protection detail of a Senator, and an old friend of Hooker's, after Hooker saves his life during a routine prisoner transfer in Hawaii while the Senator pushes his anti-terrorist bill.